* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

ol, ul {
  list-style: none;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.clearfix:after {
  content: '.';
  display: block;
  visibility: hidden;
  height: 0;
  line-height: 0;
  clear: both;
}
/* 单行文本溢出隐藏 需自行设置宽度 */
.text-overflow {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
